New York A8634: Establishes maximum contaminant levels and a hazard index in drinking water for certain per- and polyfluoroalkyl substances (PFAS)

What the bill says

An act to amend the public health law, in relation to establishing maximum contaminant levels and a hazard index in drinking water for certain per- and polyfluoroalkyl substances (PFAS).

From the amended text, May 14, 2026:

AN ACT to amend the public health law, in relation to establishing maximum contaminant levels and a hazard index in drinking water for certain per- and polyfluoroalkyl substances (PFAS) THE PEOPLE OF THE STATE OF NEW YORK, REPRESENTED IN SENATE AND ASSEMBLY, DO ENACT AS FOLLOWS: Section 1. Section 1112 of the public health law is amended by adding a new subdivision 12-a to read as follows: 12-A. A. THE COMMISSIONER SHALL: (I) MODIFY THE EXISTING MAXIMUM CONTAMINANT LEVEL FOR PERFLUOROOCTANE SULFONIC ACID (PFOS) AND PERFLUOROOCTANOIC ACID (PFOA) TO BE NO HIGHER THAN 4 PARTS PER TRILLION; AND (II) ESTABLISH A MAXIMUM CONTAMINANT LEVEL NO HIGHER THAN 10 PARTS PER TRILLION (PPT) FOR PERFLUORONONANOIC ACID (PFNA), PERFLUOROHEXANE SULFONATE (PFHXS), AND HEXAFLUOROPROPYLENE OXIDE DIMER ACID (HFPO-DA, ALSO KNOWN AS GENX). B. THE COMMISSIONER SHALL DETERMINE AND REPORT TO THE GOVERNOR AND THE LEGISLATURE BY MAY FIRST, TWO THOUSAND TWENTY-EIGHT, WHAT ADDITIONAL REQUIREMENTS, IF ANY, ARE WARRANTED TO ADDRESS CUMULATIVE EXPOSURE TO MULTIPLE PER- AND POLYFLUOROALKYL SUBSTANCES, INCLUDING BUT NOT LIMITED TO, THE SUBSTANCES LISTED IN PARAGRAPH A OF THIS SUBDIVISION. EXPLANATION--Matter in ITALICS (underscored) is new; matter in brackets [ ] is old law to be omitted. LBD06979-06-6 A. 8634--B 2 C. THE COMMISSIONER SHALL REQUIRE THAT PUBLIC WATER SYSTEMS COMPLY WITH THE REQUIREMENTS OF THE MAXIMUM CONTAMINANT LEVELS REQUIRED BY …

Read the full official text

Sponsors

• Grace Lee (D, 65) · primary sponsor
• Micah Lasher (D, 69)
• John McDonald (D, 108)
• Sarahana Shrestha (D, 103)
• Linda Rosenthal (D, 67)
• Karines Reyes (D, 87)
• William Colton (D, 47)
• Emily Gallagher (D, 50)
• Scott Bendett (R, 107)
• Dana Levenberg (D, 95)
• Jenifer Rajkumar (D, 38)
• Thomas Schiavoni (D, 1)

Latest actions

1. June 3, 2026: SUBSTITUTED BY S3207B
2. June 3, 2026: ORDERED TO THIRD READING RULES CAL.404
3. June 3, 2026: RULES REPORT CAL.404
4. June 3, 2026: REPORTED
5. June 3, 2026: REPORTED REFERRED TO RULES
6. May 19, 2026: REPORTED REFERRED TO WAYS AND MEANS
7. May 14, 2026: PRINT NUMBER 8634B
8. May 14, 2026: AMEND AND RECOMMIT TO HEALTH
9. May 12, 2026: PRINT NUMBER 8634A
10. May 12, 2026: AMEND AND RECOMMIT TO HEALTH

Votes

• Assembly Ways And Means Committee: Favorable refer to committee Rules (June 3, 2026): 32 yea, 0 nay, passed
• Assembly Rules Committee: Favorable (June 3, 2026): 29 yea, 0 nay, passed
• Assembly Health Committee: Favorable refer to committee Ways and Means (May 19, 2026): 22 yea, 0 nay, passed

Common questions

What is A8634?

A8634 is a bill in the New York Legislature (2025-2026 General Assembly): Establishes maximum contaminant levels and a hazard index in drinking water for certain per- and polyfluoroalkyl substances (PFAS).

What does A8634 do?

In its own words: An act to amend the public health law, in relation to establishing maximum contaminant levels and a hazard index in drinking water for certain per- and polyfluoroalkyl substances (PFAS).

What is the status of A8634?

In committee as of June 3, 2026. Latest action: SUBSTITUTED BY S3207B (June 3, 2026).

Who sponsored A8634?

Grace Lee (D, 65), with 11 co-sponsors.

Where is the official record for A8634?

On the New York Legislature website: https://www.nysenate.gov/legislation/bills/2025/A8634